You can check on the bottle to see how many miles the oil you use is rated for, but most synthetic oils will be fine driving up to 7,500 miles without a change. Keep in mind that many oil manufacturers tend to underestimate how long their oil will last in order to keep you coming back for refills more often. Because of this it is generally safe to drive one to two thousand miles more on your engine oil than the bottle advertises.
malcolm park / Getty Images. Sirius, also known as the Dog Star, is the brightest star in the night sky. Its name comes from the Greek word for scorching. It's actually a double star system, with a very bright primary and a dimmer secondary star. Distance: 8.6 light-years.
Sirius or Alpha Canis Majoris (Alp CMa) is the brightest naked eye star in the constellation Canis Major.With an apparent magnitude of -1.44, Sirius is the 1st brightest star in the entire sky (see: 50 Brightest Stars).irius or Alpha Canis Majoris (Alp CMa) is the brightest naked eye star in the constellation Canis Major.